S32 SDK
Soc_support_S32K142

Detailed Description

Files

file  system_S32K142.h
 Device specific configuration file for S32K142.
 

Macros

#define SYSTEM_S32K142_H_
 
#define DISABLE_WDOG   1
 
#define CPU_XTAL_CLK_HZ   8000000u
 
#define CPU_INT_FAST_CLK_HZ   48000000u
 
#define DEFAULT_SYSTEM_CLOCK   48000000u
 

Functions

void SystemInit (void)
 Setup the SoC. More...
 
void SystemCoreClockUpdate (void)
 Updates the SystemCoreClock variable. More...
 
void SystemSoftwareReset (void)
 Initiates a system reset. More...
 

Variables

uint32_t SystemCoreClock
 System clock frequency (core clock) More...
 

Macro Definition Documentation

#define CPU_INT_FAST_CLK_HZ   48000000u

Definition at line 53 of file system_S32K142.h.

#define CPU_XTAL_CLK_HZ   8000000u

Definition at line 48 of file system_S32K142.h.

#define DEFAULT_SYSTEM_CLOCK   48000000u

Definition at line 58 of file system_S32K142.h.

#define DISABLE_WDOG   1

Definition at line 43 of file system_S32K142.h.

#define SYSTEM_S32K142_H_

Symbol preventing repeated inclusion

Definition at line 29 of file system_S32K142.h.

Function Documentation

void SystemCoreClockUpdate ( void  )

Updates the SystemCoreClock variable.

It must be called whenever the core clock is changed during program execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates the current core clock. This function must be called when user does not want to use clock manager component. If clock manager is used, the CLOCK_SYS_GetFreq function must be used with CORE_CLOCK parameter.

Definition at line 121 of file system_S32K142.c.

void SystemInit ( void  )

Setup the SoC.

This function disables the watchdog, enables FPU and the power mode protection if the corresponding feature macro is enabled. SystemInit is called from startup_device file.

Definition at line 65 of file system_S32K142.c.

void SystemSoftwareReset ( void  )

Initiates a system reset.

This function is used to initiate a system reset

Definition at line 176 of file system_S32K142.c.

Variable Documentation

uint32_t SystemCoreClock

System clock frequency (core clock)

The system clock frequency supplied to the SysTick timer and the processor core clock. This variable can be used by the user application to setup the SysTick timer or configure other parameters. It may also be used by debugger to query the frequency of the debug timer or configure the trace clock speed SystemCoreClock is initialized with a correct predefined value.

Definition at line 54 of file system_S32K142.c.